Reusable straw storage device

A reusable straw storage device, comprising:

• a storage unit comprising an outer casing and a bushing, said outer casing comprising an accommodating space defined therein and at least one placement slot in communication between said accommodating space and space outside said storage unit, said bushing being mounted in said accommodating space of said outer casing, said bushing comprising an upright dust wall and at least one opening through said upright dust wall;
• and
• a winding unit comprising a covering device and a positioning member, said covering device being capped on said outer casing over said accommodating space, said positioning member being connected to said covering device and comprising a plurality of clamping plates suspended in said accommodating space;
• wherein said bushing is rotatable in said outer casing between an open position where said at least one opening is kept in alignment with said at least one placement slot, and a closed position where said at least one opening is blocked by said outer casing;
• wherein when said at least one opening is kept in alignment with said at least one placement slot, one end of a reusable straw is insertable through said at least one placement slot and said at least one opening into a gap between said clamping plates of said positioning member for letting the reusable straw to be rolled up by said positioning member upon rotation of said covering device relative to said storage unit and then received inside said storage unit.